﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Routing;
using System.Web.Security;
using G15_Agent.Models;
using System.Data;

namespace G15_Agent.Controllers
{
    public class AccountController : Controller
    {
        private AgentContext DatabaseSQL = new AgentContext();

        //
        // GET: /Account/LogOn

        public ActionResult LogOn()
        {
            return View();
        }

        //

        public ActionResult EditAccount(string account) {

            NguoiDung model = DatabaseSQL.NguoiDungs.Where(x => x.TenDangNhap.Equals(account)).SingleOrDefault();
            return View(model);
        }


        [HttpPost]
        public ActionResult EditAccount(NguoiDung model)
        {
            if (ModelState.IsValid)
            {
                DatabaseSQL.Entry(model).State = EntityState.Modified;
                DatabaseSQL.SaveChanges();
                TempData["message"] = string.Format("{0} Đã được lưu", model.TenDangNhap);
                return RedirectToAction("Index", "Home");
            }
            return View(model);
        }


        // POST: /Account/LogOn

        [HttpPost]
        public ActionResult LogOn(LogOnModel model, string returnUrl)
        {
            if (ModelState.IsValid)
            {
                // Kiểm tra thông tin tài khoản trong database
                List<NguoiDung> ListNguoiDung = DatabaseSQL.NguoiDungs.Where(x => x.TenDangNhap.Equals(model.UserName) && x.MatKhau.Equals(model.Password)).ToList();
                if (ListNguoiDung.Count > 0)
                {
                    FormsAuthentication.SetAuthCookie(model.UserName, model.RememberMe);
                    if (Url.IsLocalUrl(returnUrl) && returnUrl.Length > 1 && returnUrl.StartsWith("/")
                        && !returnUrl.StartsWith("//") && !returnUrl.StartsWith("/\\"))
                    {
                        return Redirect(returnUrl);
                    }
                    else
                    {
                        return RedirectToAction("Index", "Home");
                    }
                }
                else
                {
                    ModelState.AddModelError("", "Tải khoản không tồn tại hoặc mật khẩu không đúng! Vui lòng kiểm tra lại!");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

       

        //
        // GET: /Account/LogOff

        public ActionResult LogOff()
        {
            FormsAuthentication.SignOut();

            return RedirectToAction("Index", "Home");
        }

        //
        // GET: /Account/Register

        public ActionResult Register()
        {
            return View();
        }

        //
        // POST: /Account/Register

        [HttpPost]
        public ActionResult Register(RegisterModel model)
        {
            if (ModelState.IsValid)
            {
                List<NguoiDung> ListNguoiDung = DatabaseSQL.NguoiDungs.Where(x => x.TenDangNhap.Equals(model.UserName)).ToList();

                if (ListNguoiDung.Count == 0)
                {
                    try
                    {
                        NguoiDung nguoiDungMoi = CreateNewNguoiDung(model);
                        nguoiDungMoi.TrangThai = false;
                        DatabaseSQL.NguoiDungs.Add(nguoiDungMoi);
                        DatabaseSQL.SaveChanges();
                        return RedirectToAction("Index", "Home");
                    }
                    catch (System.Exception ex)
                    {
                        ModelState.AddModelError("", "Tài khoản đã tồn tại. Vui lòng đăng ký lại!");
                    }

                }
                else
                {
                    ModelState.AddModelError("", "Tài khoản đã tồn tại. Vui lòng đăng ký lại!");
                }                
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/ChangePassword

        [Authorize]
        public ActionResult ChangePassword()
        {
            return View();
        }

        //
        // POST: /Account/ChangePassword

        [Authorize]
        [HttpPost]
        public ActionResult ChangePassword(ChangePasswordModel model)
        {
            if (ModelState.IsValid)
            {

                // ChangePassword will throw an exception rather
                // than return false in certain failure scenarios.
                bool changePasswordSucceeded;
                try
                {
                    MembershipUser currentUser = Membership.GetUser(User.Identity.Name, true /* userIsOnline */);
                    changePasswordSucceeded = currentUser.ChangePassword(model.OldPassword, model.NewPassword);
                }
                catch (Exception)
                {
                    changePasswordSucceeded = false;
                }

                if (changePasswordSucceeded)
                {
                    return RedirectToAction("ChangePasswordSuccess");
                }
                else
                {
                    ModelState.AddModelError("", "The current password is incorrect or the new password is invalid.");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }

        //
        // GET: /Account/ChangePasswordSuccess

        public ActionResult ChangePasswordSuccess()
        {
            return View();
        }

        public ActionResult ListKhachHang()
        {
            List<NguoiDung> ListKhachHang = DatabaseSQL.NguoiDungs.Where(d=>d.PhanQuyen == "User").ToList();
            return View(ListKhachHang);
        }


        public ActionResult Delete(string id)
        {
            NguoiDung model = DatabaseSQL.NguoiDungs.Find(id);

            return View(model);
        }

        //

        [HttpPost, ActionName("Delete")]
        public ActionResult DeleteConfirmed(string id)
        {
            NguoiDung model = DatabaseSQL.NguoiDungs.Find(id);
            DatabaseSQL.NguoiDungs.Remove(model);
            DatabaseSQL.SaveChanges();
            return RedirectToAction("ListKhachHang");
        }

        public ActionResult Active(string id)
        {
            NguoiDung model = DatabaseSQL.NguoiDungs.Find(id);

            return View(model);
        }

        //
        

        [HttpPost, ActionName("Active")]
        public ActionResult KichHoat(string id)
        {
            NguoiDung model = DatabaseSQL.NguoiDungs.Find(id);
            model.TrangThai = true;
            DatabaseSQL.SaveChanges();
            return RedirectToAction("ListKhachHang");
        }

        public ActionResult Inactive(string id)
        {
            NguoiDung model = DatabaseSQL.NguoiDungs.Find(id);

            return View(model);
        }

        //
        // POST: /Deal/Delete/5

        [HttpPost, ActionName("Inactive")]
        public ActionResult VoHieu(string id)
        {
            NguoiDung model = DatabaseSQL.NguoiDungs.Find(id);
            model.TrangThai = false;
            DatabaseSQL.SaveChanges();
            return RedirectToAction("ListKhachHang");
        }
        #region Status Codes
        private static string ErrorCodeToString(MembershipCreateStatus createStatus)
        {
            // See http://go.microsoft.com/fwlink/?LinkID=177550 for
            // a full list of status codes.
            switch (createStatus)
            {
                case MembershipCreateStatus.DuplicateUserName:
                    return "User name already exists. Please enter a different user name.";

                case MembershipCreateStatus.DuplicateEmail:
                    return "A user name for that e-mail address already exists. Please enter a different e-mail address.";

                case MembershipCreateStatus.InvalidPassword:
                    return "The password provided is invalid. Please enter a valid password value.";

                case MembershipCreateStatus.InvalidEmail:
                    return "The e-mail address provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidAnswer:
                    return "The password retrieval answer provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidQuestion:
                    return "The password retrieval question provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.InvalidUserName:
                    return "The user name provided is invalid. Please check the value and try again.";

                case MembershipCreateStatus.ProviderError:
                    return "The authentication provider returned an error. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                case MembershipCreateStatus.UserRejected:
                    return "The user creation request has been canceled. Please verify your entry and try again. If the problem persists, please contact your system administrator.";

                default:
                    return "An unknown error occurred. Please verify your entry and try again. If the problem persists, please contact your system administrator.";
            }
        }

        private NguoiDung CreateNewNguoiDung(RegisterModel model)
        {
            NguoiDung nguoidung = new NguoiDung();
            List<NguoiDung> ListNguoiDungs= DatabaseSQL.NguoiDungs.ToList();

            nguoidung.TenDangNhap = model.UserName;
            nguoidung.MatKhau = model.Password;
            nguoidung.HoTen = model.Name;
            nguoidung.NgaySinh = model.Birthday;
            nguoidung.DiaChi = model.Address;
            nguoidung.SoDT = model.Phone;
            nguoidung.PhanQuyen = "User";
            nguoidung.MaNguoiDung = "G15" + (ListNguoiDungs.Count  + 1).ToString("0000000");
            nguoidung.TrangThai = true;

            return nguoidung;
        }

        #endregion
    }
}
